4th Grade Vocab

Ability to float

• Vibrate
• Buoyancy
• reflection

A material that does not allow heat or electrons to move through it easily.

• insulator
• conductor
• circuit

The force of attraction that causes a material to move

• magnetism
• gravity
• force

A material that allows heat and electricity to pass through it.

• insulator
• conductor
• circuit

floating or sinking when compared to water

• Density
• Volume
• Mass

The bending of a wave as it passes at an angle from one medium to another

• Reflection
• Refraction
• Mirror

The characteristics of a substance that can be observed or measured without changing the substance.

• Mass
• Physical Properties
• Volume

When magnets push apart

• Repel
• Mass
• Attract

The international scale of measurement for temperature

• Degrees
• Celsius
• Fahrenheit 

The property of matter that keeps it moving in a straight line or keeps it at rest.

• Inertia
• Gravity
• Friction